#include <iostream>
#include <signal.h>
#include "../comm/httplib.h"
#include "oj_control.hpp"

using namespace httplib;
using namespace ns_control;

static Control *ctrl_p = nullptr;

void Recovery(int signo)
{
    ctrl_p->RecoveryMachine();
}

int main()
{
    signal(SIGQUIT, Recovery); // 一键上线

    Server svr;
    Control ctrl;
    ctrl_p = &ctrl;

    // 获取题目列表
    svr.Get("/all_questions", [&ctrl](const Request &req, Response &resp){ 
        //返回一个包含所有题目的html网页
        std::string html;
        ctrl.QueryAllQuestions(&html);
        resp.set_content(html, "text/html; charset=utf-8");
    });

    // 根据题目编号获取题目内容
    svr.Get(R"(/question/(\d+))", [&ctrl](const Request &req, Response &resp){
        std::string number = req.matches[1];
        std::string html;
        ctrl.QueryOneQuestion(number, &html);
        resp.set_content(html, "text/html; charset=utf-8");
    });

    // 用户提交代码
    svr.Post(R"(/judge/(\d+))", [&ctrl](const Request &req, Response &resp){
        std::string number = req.matches[1];
        std::string result_json;
        ctrl.Judge(number, req.body, &result_json);
        resp.set_content(result_json, "application/json;charset=utf-8");
    });

    svr.set_base_dir("./wwwroot");
    svr.listen("0.0.0.0", 8080);

    return 0;
}